podman

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// +build aix
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package perfstat
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/*
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#cgo LDFLAGS: -lperfstat
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#include <libperfstat.h>
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#include <string.h>
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#include <stdlib.h>
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#include "c_helpers.h"
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*/
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import "C"
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import (
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	"fmt"
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	"unsafe"
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)
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func MemoryTotalStat() (*MemoryTotal, error) {
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	var memory C.perfstat_memory_total_t
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	rc := C.perfstat_memory_total(nil, &memory, C.sizeof_perfstat_memory_total_t, 1)
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	if rc != 1 {
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		return nil, fmt.Errorf("perfstat_memory_total() error")
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	}
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	m := perfstatmemorytotal2memorytotal(memory)
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	return &m, nil
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}
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func MemoryPageStat() ([]MemoryPage, error) {
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	var mempage *C.perfstat_memory_page_t
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	var fps C.perfstat_psize_t
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	numps := C.perfstat_memory_page(nil, nil, C.sizeof_perfstat_memory_page_t, 0)
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	if numps < 1 {
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		return nil, fmt.Errorf("perfstat_memory_page() error")
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	}
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	mp_len := C.sizeof_perfstat_memory_page_t * C.ulong(numps)
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	mempage = (*C.perfstat_memory_page_t)(C.malloc(mp_len))
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	defer C.free(unsafe.Pointer(mempage))
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	fps.psize = C.FIRST_PSIZE
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	r := C.perfstat_memory_page(&fps, mempage, C.sizeof_perfstat_memory_page_t, numps)
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	if r < 1 {
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		return nil, fmt.Errorf("perfstat_memory_page() error")
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	}
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	ps := make([]MemoryPage, r)
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	for i := 0; i < int(r); i++ {
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		p := C.get_memory_page_stat(mempage, C.int(i))
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		if p != nil {
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			ps[i] = perfstatmemorypage2memorypage(p)
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		}
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	}
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	return ps, nil
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}
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func PagingSpaceStat() ([]PagingSpace, error) {
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	var pspace *C.perfstat_pagingspace_t
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	var fps C.perfstat_id_t
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	numps := C.perfstat_pagingspace(nil, nil, C.sizeof_perfstat_pagingspace_t, 0)
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	if numps <= 0 {
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		return nil, fmt.Errorf("perfstat_pagingspace() error")
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	}
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	ps_len := C.sizeof_perfstat_pagingspace_t * C.ulong(numps)
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	pspace = (*C.perfstat_pagingspace_t)(C.malloc(ps_len))
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	defer C.free(unsafe.Pointer(pspace))
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	C.strcpy(&fps.name[0], C.CString(C.FIRST_PAGINGSPACE))
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	r := C.perfstat_pagingspace(&fps, pspace, C.sizeof_perfstat_pagingspace_t, numps)
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	if r < 1 {
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		return nil, fmt.Errorf("perfstat_pagingspace() error")
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	}
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	ps := make([]PagingSpace, r)
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	for i := 0; i < int(r); i++ {
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		p := C.get_pagingspace_stat(pspace, C.int(i))
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		if p != nil {
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			ps[i] = perfstatpagingspace2pagingspace(p)
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		}
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	}
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	return ps, nil
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}
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